| Business | Phone |
| Marietta Cemetery Dept 8th & Washington Stamp;, Marietta 45750 | (740) 373-4896 |
| Marietta City Administrative 301 Putnam St, Marietta 45750 | (740) 373-4474 |
| Marietta City Building 301 Putnam St, Marietta 45750 | (740) 373-1387 |
| Marietta City Garage Dept 300 Alderman St, Marietta 45750 | (740) 376-6448 |
| Marietta Clerk Of Council 308 Putnam St, Marietta 45750 | (740) 374-5501 |
| Marietta Development Dept 304 Putnam St, Marietta 45750 | (740) 373-9354 |
| Marietta Engineering Dept 304 Putnam St # 3, Marietta 45750 | (740) 373-5495 |
| Marietta Law Director 301 Putnam St, Marietta 45750 | (740) 373-4171 |
| Marietta Sewage Disposal Plant 440 E 8th St, Marietta 45750 | (740) 373-3858 |
| Marietta Water Office 304 Putnam St, Marietta 45750 | (740) 373-3515 |
| Reno Sewer District 170 Mount Tom Rd, Marietta 45750 | (740) 373-8859 |
| Warren Township Trustees Office 95 Coffman Rd, Marietta 45750 | (740) 374-6778 |